Granted Patent
Utility
US 4,433,934 · App. 06/409,490
Push-pull yoke-power takeoff coupling
Inventor:
Donald C. Cleveland
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Aug 19, 1982
Inventor
Donald C. Cleveland
Assignee (at issue)
Rockwell International Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.